From 277f2116b6660e9bbe7f5d67524be57eceb49b8b Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <email@mattatobin.com>
Date: Tue, 7 Apr 2020 23:30:51 -0400
Subject: Move aom source to a sub-directory under media/libaom

There is no damned reason to treat this differently than any other media lib given its license and there never was.
---
 media/libaom/src/test/webm_video_source.h | 96 +++++++++++++++++++++++++++++++
 1 file changed, 96 insertions(+)
 create mode 100644 media/libaom/src/test/webm_video_source.h

(limited to 'media/libaom/src/test/webm_video_source.h')

diff --git a/media/libaom/src/test/webm_video_source.h b/media/libaom/src/test/webm_video_source.h
new file mode 100644
index 000000000..bb3d11735
--- /dev/null
+++ b/media/libaom/src/test/webm_video_source.h
@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2016, Alliance for Open Media. All rights reserved
+ *
+ * This source code is subject to the terms of the BSD 2 Clause License and
+ * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
+ * was not distributed with this source code in the LICENSE file, you can
+ * obtain it at www.aomedia.org/license/software. If the Alliance for Open
+ * Media Patent License 1.0 was not distributed with this source code in the
+ * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
+ */
+#ifndef AOM_TEST_WEBM_VIDEO_SOURCE_H_
+#define AOM_TEST_WEBM_VIDEO_SOURCE_H_
+#include <cstdarg>
+#include <cstdio>
+#include <cstdlib>
+#include <new>
+#include <string>
+#include "common/tools_common.h"
+#include "common/webmdec.h"
+#include "test/video_source.h"
+
+namespace libaom_test {
+
+// This class extends VideoSource to allow parsing of WebM files,
+// so that we can do actual file decodes.
+class WebMVideoSource : public CompressedVideoSource {
+ public:
+  explicit WebMVideoSource(const std::string &file_name)
+      : file_name_(file_name), aom_ctx_(new AvxInputContext()),
+        webm_ctx_(new WebmInputContext()), buf_(NULL), buf_sz_(0), frame_sz_(0),
+        frame_number_(0), end_of_file_(false) {}
+
+  virtual ~WebMVideoSource() {
+    if (aom_ctx_->file != NULL) fclose(aom_ctx_->file);
+    webm_free(webm_ctx_);
+    delete aom_ctx_;
+    delete webm_ctx_;
+  }
+
+  virtual void Init() {}
+
+  virtual void Begin() {
+    aom_ctx_->file = OpenTestDataFile(file_name_);
+    ASSERT_TRUE(aom_ctx_->file != NULL)
+        << "Input file open failed. Filename: " << file_name_;
+
+    ASSERT_EQ(file_is_webm(webm_ctx_, aom_ctx_), 1) << "file is not WebM";
+
+    FillFrame();
+  }
+
+  virtual void Next() {
+    ++frame_number_;
+    FillFrame();
+  }
+
+  void FillFrame() {
+    ASSERT_TRUE(aom_ctx_->file != NULL);
+    const int status = webm_read_frame(webm_ctx_, &buf_, &frame_sz_, &buf_sz_);
+    ASSERT_GE(status, 0) << "webm_read_frame failed";
+    if (status == 1) {
+      end_of_file_ = true;
+    }
+  }
+
+  void SeekToNextKeyFrame() {
+    ASSERT_TRUE(aom_ctx_->file != NULL);
+    do {
+      const int status =
+          webm_read_frame(webm_ctx_, &buf_, &frame_sz_, &buf_sz_);
+      ASSERT_GE(status, 0) << "webm_read_frame failed";
+      ++frame_number_;
+      if (status == 1) {
+        end_of_file_ = true;
+      }
+    } while (!webm_ctx_->is_key_frame && !end_of_file_);
+  }
+
+  virtual const uint8_t *cxdata() const { return end_of_file_ ? NULL : buf_; }
+  virtual size_t frame_size() const { return frame_sz_; }
+  virtual unsigned int frame_number() const { return frame_number_; }
+
+ protected:
+  std::string file_name_;
+  AvxInputContext *aom_ctx_;
+  WebmInputContext *webm_ctx_;
+  uint8_t *buf_;  // Owned by webm_ctx_ and freed when webm_ctx_ is freed.
+  size_t buf_sz_;
+  size_t frame_sz_;
+  unsigned int frame_number_;
+  bool end_of_file_;
+};
+
+}  // namespace libaom_test
+
+#endif  // AOM_TEST_WEBM_VIDEO_SOURCE_H_
-- 
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